Hepatitis C infection and renal cell carcinoma: A systematic review and meta-analysis.

World J Gastrointest Pathophysiol

Karn Wijarnpreecha, Suthanya Sornprom, Charat Thongprayoon, Natanong Thamcharoen, Department of Internal Medicine, Bassett Medical Center, Cooperstown, NY 13326, United States.

Published: November 2016

Aim: To investigate the association between hepatitis C virus (HCV) infection and risk of renal cell carcinoma (RCC).

Methods: A literature search was performed from inception until February 2016. Studies that reported relative risks, odd ratios, hazard ratios or standardized incidence ratio comparing the risk of RCC among HCV-infected participants vs those without HCV infection were included. Participants without HCV infection were used as comparators. Pooled odds ratios and 95%CI were calculated using a random-effect, generic inverse variance method.

Results: Seven observational studies were with 196826 patients were included in the analysis to assess the risk of RCC in patients with HCV. A significantly increased risk of RCC among participants with HCV infection was found with a pooled RR of 1.86 (95%CI: 1.11-3.11). The association between RCC and HCV was marginally insignificant after a sensitivity analysis limited only to studies with adjusted analysis, with a pooled RR of 1.50 (95%CI: 0.93-2.42).

Conclusion: Our study demonstrated a potential association between HCV infection and RCC. Further studies of RCC surveillance in patients with HCV are required.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5108977PMC
http://dx.doi.org/10.4291/wjgp.v7.i4.314DOI Listing

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